215563894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:3005

約数の個数: 48

約数和(自身を含む): 413199360

約数和(自身を除く): 197635466

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 434, 806, 1183, 2366, 2821, 2939, 5239, 5642, 5878, 10478, 20573, 36673, 38207, 41146, 73346, 76414, 91109, 182218, 267449, 496691, 534898, 637763, 993382, 1184417, 1275526, 2368834, 3476837, 6953674, 8290919, 15397421, 16581838, 30794842, 107781947, 215563894]

約数ペア:

[(1, 215563894), (2, 107781947), (7, 30794842), (13, 16581838), (14, 15397421), (26, 8290919), (31, 6953674), (62, 3476837), (91, 2368834), (169, 1275526), (182, 1184417), (217, 993382), (338, 637763), (403, 534898), (434, 496691), (806, 267449), (1183, 182218), (2366, 91109), (2821, 76414), (2939, 73346), (5239, 41146), (5642, 38207), (5878, 36673), (10478, 20573)]